Click on an activity and open it back like just like the day you were using it.
You can save up to 30 days of activity when signed in with a Microsoft Account. While you're here, you should notice that Windows saves a timeline on all your app activity on this page. To remove the virtual desktops, just go back into task view and delete the individual virtual desktops-this will not close out the apps contained within that desktop, but rather just send them to the next lower desktop. Once you click out of Task View, you can toggle between virtual desktops by pressing the Windows key + Ctrl + right/left arrows.
This would allow you to, say, separate your work apps, personal apps, and social media into different desktops. You can then drag any of them over to where it says 'New desktop,' which creates a new virtual desktop. Windows 7 was when Microsoft added the 'Telemetry' data collection system, and with Windows Vista being unreliable, those worried about this aspect of the OS's functionality are stuck with XP. This will separate all your open windows and apps into icons. To try it out, click on Task View (the icon next to the search box).
